12667888

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{4019}}^1$

素因数の和:4224

約数の個数: 20

約数和(自身を含む): 24674760

約数和(自身を除く): 12006872

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 4019, 8038, 16076, 32152, 64304, 791743, 1583486, 3166972, 6333944, 12667888]

約数ペア:

[(1, 12667888), (2, 6333944), (4, 3166972), (8, 1583486), (16, 791743), (197, 64304), (394, 32152), (788, 16076), (1576, 8038), (3152, 4019)]